Improve docker and compose setup

.github/workflows/docker-release.yml

@@ -1,4 +1,3 @@
-
 name: Release docker image
 
 on:
@@ -19,14 +18,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - name: Set up JDK 17
-        uses: actions/setup-java@v4
-        with:
-          java-version: '17'
-          distribution: 'temurin'
-          cache: maven
-      - name: Build with Maven
-        run: mvn --batch-mode --update-snapshots package
       - name: Log in to the Container registry
         uses: docker/login-action@v3
         with:

.gitignore

@@ -1,21 +1,29 @@
+### Build and Compilation ###
 /target/
-.settings
 /bin/
+
+### Editor ###
+.settings/
+.settings/org.eclipse.core.resources.prefs
+.settings/org.eclipse.jdt.core.prefs
+.settings/org.eclipse.m2e.core.prefs
 /.project
 /.classpath
 .pydevproject
 *.iml
-*.log
-**/site/sphinx/build/*
 .idea
+.vscode/
+*.swp
+*.swo
+*~
 
-### Eclipse ###
-.settings/org.eclipse.core.resources.prefs
-.settings/org.eclipse.jdt.core.prefs
-.settings/org.eclipse.m2e.core.prefs
+### Logs ###
+*.log
+spring-shell.log
 
-### Docker ###
-docker-compose-local*
+### Documentation ###
+**/site/sphinx/build/*
 
-### Spring ###
-spring-shell.log
+### Docker ###
+*compose*.yml
+!compose.yml

Dockerfile

@@ -1,6 +1,12 @@
-FROM eclipse-temurin:17-jre
+# syntax=docker/dockerfile:1
 
-# deployment unit
-COPY target/ChannelFinder-*.jar /channelfinder/ChannelFinder-*.jar
+FROM eclipse-temurin:17-jdk AS builder
+WORKDIR /build
+RUN apt-get update && apt-get install -y maven
+COPY . .
+RUN mvn --batch-mode --update-snapshots clean package -DskipTests
 
-CMD ["java", "-jar", "/channelfinder/ChannelFinder-*.jar", "--spring.config.name=application"]
+FROM eclipse-temurin:17-jre AS runner
+WORKDIR /app
+COPY --from=builder /build/target/ChannelFinder-*.jar ./channelfinder.jar
+CMD ["java", "-jar", "/app/channelfinder.jar", "--spring.config.name=application"]

README.md

@@ -39,7 +39,7 @@ ChannelFinder is a Java EE5 REST-style web service. The directory data is held i
 
 ### Docker Compose
 
-For using docker containers there is a barebones [docker compose file](./docker-compose.yml).
+For using docker containers there is a barebones [docker compose file](./compose.yml).
 
 ### Manual Installation
 

docker-compose.yml → compose.yml

@@ -1,4 +1,3 @@
-version: "3"
 services:
   channelfinder:
     build: .
@@ -8,21 +7,15 @@ services:
       - channelfinder-net
     ports:
       - "8443:8443"
-    depends_on:
-      - elasticsearch
     environment:
-      - ELASTICSEARCH_NETWORK_HOST=elasticsearch-cf
-    command: >
-      /bin/bash -c "
-        until curl --silent --fail http://elasticsearch-cf:9200/_cluster/health; do
-          echo 'Waiting for Elasticsearch'
-          sleep 1
-        done
-        java -jar /channelfinder/ChannelFinder-*.jar"
+      - ELASTICSEARCH_NETWORK_HOST=elasticsearch
+    depends_on:
+      elasticsearch:
+        condition: service_healthy
 
   elasticsearch:
     image: docker.elastic.co/elasticsearch/elasticsearch:8.11.2
-    hostname: elasticsearch-cf
+    hostname: elasticsearch
     networks:
       - channelfinder-net
     ports:
@@ -35,6 +28,11 @@ services:
       EPICS_PVAS_INTF_ADDR_LIST: "0.0.0.0"
     volumes:
       - channelfinder-es-data:/usr/share/elasticsearch/data
+    healthcheck:
+      test: ["CMD", "curl", "-f", "http://localhost:9200/_cluster/health"]
+      interval: 10s
+      timeout: 5s
+      retries: 3
 volumes:
   channelfinder-es-data:
     driver: local

src/test/java/org/phoebus/channelfinder/docker/ChannelFinderChannelsIT.java

@@ -37,7 +37,6 @@
 /**
  * Integration tests for ChannelFinder and Elasticsearch with focus on usage of
  * {@link org.phoebus.channelfinder.CFResourceDescriptors#CHANNEL_RESOURCE_URI}.
- * Existing dockerization is used with <tt>docker-compose-integrationtest.yml</tt> and <tt>Dockerfile.integrationtest</tt>.
  *
  * @author Lars Johansson
  *

src/test/java/org/phoebus/channelfinder/docker/ChannelFinderIT.java

@@ -31,7 +31,6 @@
 
 /**
  * Integration tests for ChannelFinder and Elasticsearch with focus on endpoints being available.
- * Existing dockerization is used with <tt>docker-compose-integrationtest.yml</tt> and <tt>Dockerfile.integrationtest</tt>.
  *
  * @author Lars Johansson
  *

src/test/java/org/phoebus/channelfinder/docker/ChannelFinderPropertiesIT.java

@@ -38,7 +38,6 @@
 /**
  * Integration tests for ChannelFinder and Elasticsearch with focus on usage of
  * {@link org.phoebus.channelfinder.CFResourceDescriptors#PROPERTY_RESOURCE_URI}.
- * Existing dockerization is used with <tt>docker-compose-integrationtest.yml</tt> and <tt>Dockerfile.integrationtest</tt>.
  *
  * @author Lars Johansson
  *

src/test/java/org/phoebus/channelfinder/docker/ChannelFinderScrollIT.java

@@ -33,7 +33,6 @@
 /**
  * Integration tests for ChannelFinder and Elasticsearch with focus on usage of
  * {@link org.phoebus.channelfinder.CFResourceDescriptors#SCROLL_RESOURCE_URI}.
- * Existing dockerization is used with <tt>docker-compose-integrationtest.yml</tt> and <tt>Dockerfile.integrationtest</tt>.
  *
  * @author Lars Johansson
  *

src/test/java/org/phoebus/channelfinder/docker/ChannelFinderTagsIT.java

@@ -38,7 +38,6 @@
 /**
  * Integration tests for ChannelFinder and Elasticsearch with focus on usage of
  * {@link org.phoebus.channelfinder.CFResourceDescriptors#TAG_RESOURCE_URI}.
- * Existing dockerization is used with <tt>docker-compose-integrationtest.yml</tt> and <tt>Dockerfile.integrationtest</tt>.
  *
  * @author Lars Johansson
  *

src/test/java/org/phoebus/channelfinder/docker/ITUtil.java

@@ -75,7 +75,7 @@ public class ITUtil {
     public static final ObjectMapper MAPPER = new ObjectMapper();
 
     public static final String CHANNELFINDER = "channelfinder";
-    public static final String INTEGRATIONTEST_DOCKER_COMPOSE = "docker-compose-integrationtest.yml";
+    public static final String INTEGRATIONTEST_DOCKER_COMPOSE = "src/test/resources/compose.yml";
 
     // code coverage
 

Dockerfile.integrationtest → src/test/resources/Dockerfile

@@ -19,9 +19,9 @@
 FROM eclipse-temurin:17-jre
 
 # deployment unit
-COPY target/ChannelFinder-*.jar /channelfinder/ChannelFinder-*.jar
+COPY ../../../target/ChannelFinder-*.jar /channelfinder/ChannelFinder-*.jar
 
 # code coverage
-COPY target/jacoco/jacocoagent.jar /channelfinder/jacocoagent.jar
+COPY ../../../target/jacoco/jacocoagent.jar /channelfinder/jacocoagent.jar
 
 CMD ["java", "-jar", "/channelfinder/ChannelFinder-*.jar", "--spring.config.name=application"]

src/test/resources/INTEGRATIONTEST_DOCKER_RUN.md

@@ -73,12 +73,12 @@ mvn clean install test-compile failsafe:integration-test failsafe:verify --batch
 ##### Build
 
 * (Re) Build after change in `src/main/java` in order for change to be tested
-* `Dockerfile.integrationtest` relies on built code and not on Maven central
+* `Dockerfile` relies on built code and not on Maven central
 * Requires a deployable jar
 
 ##### Configuration
 
-* Configuration in folder `src/test/java` and package `org.phoebus.channelfinder.docker`, e.g. urls and port numbers, is coupled to files `Dockerfile.integrationtest` and `docker-compose-integrationtest.yml` (beside `src/main/resources/application.properties`)
+* Configuration in folder `src/test/java` and package `org.phoebus.channelfinder.docker`, e.g. urls and port numbers, is coupled to files `src/test/resources/Dockerfile` and `src/test/resources/compose.yml` (beside `src/main/resources/application.properties`)
 
 ##### Debug
 

src/test/resources/INTEGRATIONTEST_DOCKER_TUTORIAL.md

@@ -33,8 +33,8 @@ It is possible to test ChannelFinder API by running ChannelFinder and Elasticsea
 ##### Files
 
 * folder `src/test/java` and package `org.phoebus.channelfinder.docker`
-* [docker-compose-integrationtest.yml](docker-compose-integrationtest.yml)
-* [Dockerfile.integrationtest](Dockerfile.integrationtest)
+* [compose.yml](src/test/resources/compose.yml)
+* [Dockerfile](src/test/resources/Dockerfile)
 
 ### Examples
 
@@ -87,7 +87,7 @@ How
 
 ### How it works - big picture
 
-Integration tests are implemented in test class annotated with `@Testcontainers`. Test class starts a docker container for the application (ChannelFinder service) and another docker container for elastic (Elasticsearch) through `docker-compose-integrationtest.yml` and `Dockerfile.integrationtest` after which JUnit tests are run.
+Integration tests are implemented in test class annotated with `@Testcontainers`. Test class starts a docker container for the application (ChannelFinder service) and another docker container for elastic (Elasticsearch) through `src/test/resources/compose.yml` and `src/test/resources/Dockerfile` after which JUnit tests are run.
 
 ```
 @Testcontainers
@@ -320,8 +320,8 @@ public class ChannelFinderChannelsIT {
 
 ##### Note
 
-* (Re) Build after change in `src/main/java` is needed in order for change to be tested as `Dockerfile.integrationtest` relies on built code.
-* Configuration in folder `src/test/java` and package `org.phoebus.channelfinder.docker`, e.g. urls and port numbers, is coupled to files `Dockerfile.integrationtest` and `docker-compose-integrationtest.yml` (beside `src/main/resources/application.properties`).
+* (Re) Build after change in `src/main/java` is needed in order for change to be tested as `Dockerfile` relies on built code.
+* Configuration in folder `src/test/java` and package `org.phoebus.channelfinder.docker`, e.g. urls and port numbers, is coupled to files `src/test/resources/Dockerfile` and `src/test/resources/compose.yml` (beside `src/main/resources/application.properties`).
 * Both positive and negative tests are important to ensure validation works as expected.
 
 ### How to run

docker-compose-integrationtest.yml → src/test/resources/compose.yml

@@ -16,12 +16,11 @@
 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 # ------------------------------------------------------------------------------
 
-version: "3.7"
 services:
   channelfinder:
-    build: 
-      context: .
-      dockerfile: Dockerfile.integrationtest
+    build:
+      context: ../../..
+      dockerfile: src/test/resources/Dockerfile
     hostname: channelfinder
     networks:
       - channelfinder-net